Inna uncovers a fossilized tooth in her backyard. what did she find?
an imprint
a mold fossil
a cast fossil
an original-remains fossil

choose all the answers that apply.
which of the following fossils contains actual physical remains?
amber
footprint
bone
tooth
shell

choose all the answers that apply.
rapid burial
increases exposure to oxygen
decreases exposure to oxygen
slows down the rate of decay
prevents scavengers from eating organism remains

choose all the answers that apply.
which of the following conditions are necessary for fossilization?
warm temperature
stable geological conditions
rapid burial
exposure to oxygen
presence of minerals
--
what can fossils tell us about past species. choose all that apply.
their closest living modern relatives
their extinction
their potential evolution
their age at death
their life cycle
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which of the following is the best evidence that an area once had a tropical climate?
dinosaur fossils
coral fossils
fossil fuel deposits
insects trapped in amber
--
dr. sheffield discovers burrows in a sedimentary rock bed. which of the following is the most likely conclusion?
the area was once a forest.
the area was once a lake.
worms once lived in the area.
dinosaurs once lived in the area.